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# Front-End Estimation

## Estimate using the greatest place value

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Front-End Estimation

Estimate sums and differences using front-end estimation.

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## Estimate Decimal Sums and Differences Using Front-End Estimation

Use front-end estimation to find decimal sums and differences

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• Practice
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## Front-End Estimation Four Square Concept Matrix

Summarize the main idea of a reading, create visual aids, and come up with new questions using a Four Square Concept Matrix.

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## Estimate Decimal Sums and Differences Using Front-End Estimation

Develop understanding of concepts by studying them in a relational manner. Analyze and refine the concept by summarizing the main idea, creating visual aids, and generating questions and comments using a Four Square Concept Matrix.

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